Locking device for transfer-binders.



2 s RTE-SHEET 1.

PATENTED FEB. 17-, 1903. I. SISSON. LOCKING DEVICE FOR TRANSFER BINDERS.

APPLICATION FILED JUNE 14, 1902.

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PATENTED FEB. 17,1903.

I. H. SISSON.

LOOKING DEVICE FOR TRANSFER BINDERS.

APPLICATION FILED JUNE 14, 1902.

2 SHEETS-SHEET 2.

-N0 MODEL.

UNITED STATES PATENT OFFICE.

ISAAC H. SISSON, PROVIDENCE, RHODE ISLAND, ASSIGNOR TO THE J. C. HALL COMPANY, OF PROVIDENCIL'RHODE ISLAND, A CORPORATION OF RHODE ISLAND.

LOJCKYINNGY DEVICE FOR TRANSFER-BINDERS.

SPECIFICATION forming part of Letters Patent No. 721,098, dated February 17, 1903.

Application filed June 14,1902. Serial-No. 111,689. (No model.)

T at whom it may concern: cured'thereto and arranged at right angles Be itknown thatI, ISAAC H. SISS 0N,acitizen therewith. The front member a is substanof the United States of America, and a resitially the same size and shape as its fellow dent of the city and county of Providence, in member I). It is milled centrally in a longithe State of Rhode Island, have invented certudinal direction along its inner face to re- 55 tain new and useful Improvements in Looking ceive the two slidable oppositely-disposed Devices for Transfer-Binders, of which the looking or clamping bars 0, which in turn are following is a specification. recessed at their outer ends 0 to frictionally This invention relates-to improvements in engage the adjacent surface of theleaf-holder,

ro transfer-bindersthat is, binders adapted to thelatter being adapted to pass freely through 60 receive loose leavestransferred fromledgers correspondingly-shaped holes drilled transor temporary binders, the leaves or accounts versely in the member a and registering thus transferred forming what may be termed therewith. To the inner face of the member a permanent file. ais secured by screws 0 a long thin flat [5 The object sought to be attained is the procover-plate d. This plate serves to keep the 65 duction of atransfer-binder capable of being locking device, soon to be described, in posieasily and quickly manipulated, as in untion. locking and locking the device to receive and a At the center of the frame member a is retain the leaves, the construction and ar cated and arranged the locking mechanism.

rangement of the parts forming a compara- This latter consists of a short screw n, hav- 7o tively inexpensive binder adapted to be seing a slightly-reduced head or neck a revocurely locked against accidental lateral seplubly fitted in a hole formed in the frame, aration of the frames or covers, all as will be and an endwise-movable nut m, mounted on more fully hereinafter set forth and claimed. the threaded portion of the screw. The nut In the accompanying two sheets of drawis seated in a hole counterbored in the frame 75 ings, Figure l is a plan view of my improved a (see Fig. 4) and has its two opposite sides transfer-binder, the covers proper being omitv 'm beveled and in frictional engagement with ted. Fig.2isacorrespondingside view. Fig. the correspondingly-beveled ends 0 of said 3isasection enlarged,taken on line 3 3 of Fig. locking-bars c. The depth or thickness of 2, the parts being shown in the normally thenutis less than the length of the threaded 8o locked position. Fig. 4 is an inverted horportion of the screw, 50 that upon turning izontal sectional view taken on line 4 {of the latter the nut is capable of endwise or Fig. 3. .Fig. 5 is a similar section taken on vertical movement, the screwitself being nonline 5 5 of Fig. 3. Fig. 6 is a perspective movable longitudinally by reason of its enview of one of the looking or clamping bars. gagementwith the plate d, its shouldered por- 85 Fig. 7 is a detached sectional view of the nut tion-n at the same time bearing against the member, showing the screw therein. Fig. '8' bottom of the said-counterbored recess. (See is an inverted plan view of the same. Fig. Figs. 3 and 9.) It will be apparent that upon 9 is a sectional view substantially like Fig. turning the screw n in: the proper direction 3, but showing the devicein the released or the nut m will be drawn downwardly or out- 90 unlocked position. Fig. 10 is a transverse wardly, thereby causing the beveled portions section, also showingportionsof the covers, m thereof (bearing against the similarly-bevtaken on line 10 10 of Fig. 3; and Fig. 11 is a eled end 0 of the bars 0) to simultaneously perspective view of my improved transferforce the bars endwise to snugly engage the binder as in use. pins or leaf-holders e. The bars have c1011- 95 My improved transfer or permanent file A gated holes 0 through which the plate-holdis provided with front and rear frame or plate ing screws 0 extend. The outer end of the members a b of suitable metal. The rear one screw has a keyhole n, adapted to receive a b is integral or one-piece and has, as drawn, suitable operating-key. If desired, the frame two hollow pins or leaf-holders e rigidly seamay be further provided with an escutcheon- Ion them in this present application.

plate h,-having an opening h for the insertion of the key. A key well adapted for this purpose is indicated at k and forming a part of Fig. 10.

Since the leaf-holders or pins e fand the means for locking them to the frame form the subject of another application for Letters Patent, filed June 14, 1902, Serial No. 111,641, I deem it unnecessary to further describe I would state, however, in a general way that the pins are disposed in the binder so as to register with corresponding holes formed in the leaves transferred from the temporary binder.

In the complete binder A the boards or covers proper, 171 may be covered with leather e, paper, or other suitable material in any well-known manner and connected with the similarly-covered frame members by a flexible joint e, also as common. (See Figs. 10 and 11.)

The front cover or frame member is movable sidewise with respect to the other or stationary memberthat is to say, upon first unlocking and retracting the bars 0 from the pins 6 (by turning the screw 11 in the proper direction, thus elevating the nut m, see corresponding position in Fig. 9) the front is then free to slide upon its pins 2. After inserting the leaves 1) the front cover is next pressed rearwardly to compress the leaves mountedon the holders, followed by turning the key in a contrary direction to that for unlocking the device, the result being to depress the nut, the beveled sides m thereof operating to simultaneously wedge apart the bars 0 and force the outer ends into frictional contact with the pins e, thus completing the operation and firmly securing the parts in position. (See Figs. 3 and 4.)

It will be seen that the heads f of the removable holder-pinsfare well rounded, thereby permitting them to freely pass through the frame a and past the bars 0, assuming, of course, that the device is unlocked.

The device forms a comparatively inexpensive yet powerful locking means wherein a small force exerted upon the key and acting through the screw n and the wedge-shaped nut and bars operates to force the latter against the sides of the pins e and positively locking the binder against accidental lateral separation.

I do not broadly claim as my invention a binder provided with oppositely-arranged slidable locking-bars adapted to frictionally engage the leaf-holding pins, my present invention being to means or mechanism employed for actuating the bars.

I claim as my invention and desire to secure by United States Letters Patent- 1. In a temporary binder provided with laterally-separable front and rear frame or cover members having suitable leaf-holders mounted therein, the combination therewith of 0ppositely disposed locking bars movably mounted in one of the frame members and capable of frictionally engaging said leafholders, a short key-actuated and concealed screw, and a nut movably mounted on said screw and in continuous engagement with the adjacent ends of said locking-bars, whereby the act of turning the screw in the proper direction actuates the nut and forces the bars against the leaf-holders, thereby locking the frame in position, substantially as described.

2. In a temporary binder, having laterallyseparable frame or cover members provided with holders or pins adapted to receive loose leaves, the combination therewith of slidable locking-bars mounted in one of said cover members arranged to engage said pins, a short key-actuated revoluble screw nonmovable longitudinally or axially, and a thin vertically-movable nut, fitting the thread of said screw, having its opposite sides or edges beveled and in engagement with the adjacent ends of said locking-bars, substantially as described and for the purpose set forth.

3. The improved locking device for temporary or transfer binders, the same consisting in the combination with a laterally-movable frame member having leaf-holding pins extending transversely therethrough, of a pair of oppositely-disposed locking-bars movably mounted in said frame and adapted to engage the leaf-holders, the inner adjacent ends of said bars being beveled, an endwisemovable non-revoluble nut having oppositelybeveled sides interposed between and in contact with said beveled portions of the lockingbars, and a key-actuated screw fitting said nut and non-movable in a longitudinal direction, substantially as described.

Signed at Providence, Rhode Island, this 10th day of June, 1902.

ISAAC I-I. SISSON.

Witnesses:

GEO. H. REMINGTON, WILLIAM A. SULLIVAN. 

